Home / 228,200.96-342,197.60-121,557.85

Finding the Fourth Proportional to 228,200.96, 342,197.60 and 121,557.85

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Solution

The fourth proportional to 228,200.96, 342,197.60 and 121,557.85 is: 182,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,200.96 : 342,197.60 = 121,557.85 : x
  2. Step 2: Convert to fraction form
    228,200.96/342,197.60 = 121,557.85/x
  3. Step 3: Cross multiply
    228,200.96x = 342,197.60 × 121,557.85
  4. Step 4: Simplify right side
    228,200.96x = 41,596,803,067.88
  5. Step 5: Solve for x
    x = 41,596,803,067.88/228,200.96
  6. Step 6: Final answer
    x = 182,281.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.